Examples with StaticLayout android.text.StaticLayout used on opensource projects

Example 41 with StaticLayout

use of android.text.StaticLayout in project android-autofittextview by grantland.

the class AutofitHelper method getAutofitTextSize.

/**
     * Recursive binary search to find the best size for the text.
     */
private static float getAutofitTextSize(CharSequence text, TextPaint paint, float targetWidth, int maxLines, float low, float high, float precision, DisplayMetrics displayMetrics) {
    float mid = (low + high) / 2.0f;
    int lineCount = 1;
    StaticLayout layout = null;
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, mid, displayMetrics));
    if (maxLines != 1) {
        layout = new StaticLayout(text, paint, (int) targetWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
        lineCount = layout.getLineCount();
    }
    if (SPEW)
        Log.d(TAG, "low=" + low + " high=" + high + " mid=" + mid + " target=" + targetWidth + " maxLines=" + maxLines + " lineCount=" + lineCount);
    if (lineCount > maxLines) {
        // For the case that `text` has more newline characters than `maxLines`.
        if ((high - low) < precision) {
            return low;
        }
        return getAutofitTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
    } else if (lineCount < maxLines) {
        return getAutofitTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
    } else {
        float maxLineWidth = 0;
        if (maxLines == 1) {
            maxLineWidth = paint.measureText(text, 0, text.length());
        } else {
            for (int i = 0; i < lineCount; i++) {
                if (layout.getLineWidth(i) > maxLineWidth) {
                    maxLineWidth = layout.getLineWidth(i);
                }
            }
        }
        if ((high - low) < precision) {
            return low;
        } else if (maxLineWidth > targetWidth) {
            return getAutofitTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
        } else if (maxLineWidth < targetWidth) {
            return getAutofitTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
        } else {
            return mid;
        }
    }
}

Example 42 with StaticLayout

use of android.text.StaticLayout in project android-autofittextview by grantland.

the class AutofitHelper method getLineCount.

private static int getLineCount(CharSequence text, TextPaint paint, float size, float width, DisplayMetrics displayMetrics) {
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, size, displayMetrics));
    StaticLayout layout = new StaticLayout(text, paint, (int) width, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
    return layout.getLineCount();
}

Example 43 with StaticLayout

use of android.text.StaticLayout in project UltimateAndroid by cymcsg.

the class AutofitTextView method getLineCount.

private static int getLineCount(CharSequence text, TextPaint paint, float size, float width, DisplayMetrics displayMetrics) {
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, size, displayMetrics));
    StaticLayout layout = new StaticLayout(text, paint, (int) width, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
    return layout.getLineCount();
}

Example 44 with StaticLayout

use of android.text.StaticLayout in project UltimateAndroid by cymcsg.

the class CreditsRollView method measureAndLayoutText.

private void measureAndLayoutText(CharSequence text) {
    if (TextUtils.isEmpty(text)) {
        mTextLayout = null;
        return;
    }
    int availableWidth = getWidth() - mPaddingLeft - mPaddingRight;
    mTextLayout = new StaticLayout(text, mTextPaint, availableWidth, Layout.Alignment.ALIGN_CENTER, 1.1f, 0f, true);
}

Example 45 with StaticLayout

use of android.text.StaticLayout in project philm by chrisbanes.

the class AutofitTextView method getTextSize.

/**
     * Recursive binary search to find the best size for the text
     */
private static float getTextSize(String text, TextPaint paint, float targetWidth, int maxLines, float low, float high, float precision, DisplayMetrics displayMetrics) {
    float mid = (low + high) / 2.0f;
    int lineCount = 1;
    StaticLayout layout = null;
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, mid, displayMetrics));
    if (maxLines != 1) {
        layout = new StaticLayout(text, paint, (int) targetWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
        lineCount = layout.getLineCount();
    }
    if (SPEW) {
        Log.d(TAG, "low=" + low + " high=" + high + " mid=" + mid + " target=" + targetWidth + " maxLines=" + maxLines + " lineCount=" + lineCount);
    }
    if (lineCount > maxLines) {
        return getTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
    } else if (lineCount < maxLines) {
        return getTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
    } else {
        float maxLineWidth = 0;
        if (maxLines == 1) {
            maxLineWidth = paint.measureText(text);
        } else {
            for (int i = 0; i < lineCount; i++) {
                if (layout.getLineWidth(i) > maxLineWidth) {
                    maxLineWidth = layout.getLineWidth(i);
                }
            }
        }
        if ((high - low) < precision) {
            return low;
        } else if (maxLineWidth > targetWidth) {
            return getTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
        } else if (maxLineWidth < targetWidth) {
            return getTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
        } else {
            return mid;
        }
    }
}